Takahiro Sasaki
Biography
Takahiro Sasaki
Principal Research Fellow
Takahiro Sasaki is Rear Admiral (retired) of the Japan Maritime Self-Defense Force (JMSDF), Visiting Professor at Hiroshima University's Faculty of Law, Visiting Professor at Tokai University's Institute for Peace, Strategic and International Studies, Visiting Researcher at Meiji University's Cybersecurity Institute, Part-time Lecturer at Heisei International University's Faculty of Law, Researcher at the Security Forum Research Group, Researcher at Japan Institute for Security Strategies, Director of the Cyber Defense Innovation Organization, Senior Researcher at the Institute for Japan-US-Taiwan Relations, Chief Researcher at Fujitsu Defense & National Security Ltd.'s National Security Research Institute, Special Researcher at Fujitsu Future Studies Center Ltd., Ph.D. (Hiroshima University).
After graduating from the National Defense Academy of Japan (Electrical Engineering) in 1986, he joined the Japan Maritime Self-Defense Force. He subsequently served as a liaison officer for the U.S. Navy's Third Fleet Command, a student at the Australian Naval Staff College, Commanding Officer of the destroyer "JS Yubetsu", defense attaché at the Embassy of Japan in Russia, section chief of the Analysis Department of the Ministry of Defense Intelligence Headquarters, a student at the UK Defence Intelligence School, Commander of the 8th Escort Division, cyber planning and coordinator at the Joint Staff Office, chief of the Hiroshima Provincial Cooperation Office of the Japan Self-Defense Forces, commander of the C4I Systems Center, and Commander of the Shimonoseki Sub Area Activity of Sasebo Regional District, before retiring from the Ministry of Defense in 2018 (at the rank of Rear Admiral).
Based on his experience working on the frontlines of diplomacy and security as a defense attaché in Russia, and his work as the first cyber planning and coordinator at the Joint Staff Office, where he was involved in formulating the Ministry of Defense's cyber attack response guidelines and establishing the Cyber Defense Unit, he specializes in international politics and international relations, with a focus on Russian military and security, as well as information theory, focusing on information warfare, cybersecurity, and intelligence issues. Drawing on this background, his research emphasizes the integration of fieldwork and academic perspectives.
He has also appeared on TV's. He has provided commentary on Russia's military and security, information warfare and cyber warfare in media such as NHK's "Catch! World Top News,'' TBS's "Hiruobi,'' TV Asahi's "Hodo Station,'' BS-TBS's "Hodo 1930,'' BS-Fuji's "Prime News,'' BS-NTV's "Shinso News,'' and NHK-BS1's "BS Special.''
Areas of Expertise
- Russian Study (Military and National Security)
- Cyber Warfare, Information Warfare, Hybrid Warfare
- Intelligence
Selected Publications / Outputs
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Taiwan's National Defense System and East Asian Security (Japan-Taiwan Relations Research Association Series 12) (Japanese)
(Role: Joint author, Chapter 3: Cybersecurity in Taiwan and Japan... Chapter 4: Security in the Space Domain in Taiwan.)
Tenden-sha, Dec 18, 2025 (ISBN: 4886565999) -
Top Self-Defense Forces officials reveal the geopolitics of national defense (Japanese)
(Role: Joint author, Chapter 4: European Geopolitics [Russia] The logic of the great power that invaded Ukraine)
PHP Institute, Feb 28, 2025 (ISBN: 4569858805) -
The Evolution of Warships: From Admiral M. Perry's Black Ships Fleet to the Ukrainian War Drone Fleet (Japanese)
Fusosha, Apr 24, 2024 (ISBN: 4594096808) -
Online public opinion manipulation and digital influence operations: Making the invisible hand visible (Japanese)
(Role: Joint author)
Hara shobo, Mar 14, 2023 (ISBN: 4562072652) -
CYDEF2019/2nd 2020/3rd International Cyber Defense Conference Proceedings
(Role: Contributor, Russia's "Hybrid warfare" and Nuclear Strategy - cyberattack and escalation of conflict -)
Shobi Press, Dec, 2022 (ISBN: 9784909946461) -
Putin's "Unrestricted Warfare" - Its Full Picture and the Essence of Its Failure (Japanese)
(Role: Joint author)
Wani Books, Nov 24, 2022 (ISBN: 4847072731) -
The Russo-Ukrainian War and Japan's Defense (Japanese)
(Role: Joint author)
Jun 8, 2022 (ISBN: 4847061969) -
Global Shift and New Spheres of War (Japanese)
(Role: Joint author, Part 2 Chapter 3 Cyberspace Security and "Hybrid Warfare" in Russia)
Tokai Educational Research Institute, May 20, 2022 (ISBN: 4924523291)
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Cyber warfare, the core of near-future warfare: A complete look at Russia, the information superpower (Japanese)
Fusosha, Oct 22, 2021 (ISBN: 459409001X) -
Modern Warfare: Unrestricted Warfare - This is the War of the 21st Century (Japanese)
(Role: Joint author)
Wani Books, Jul 8, 2020 (ISBN: 4847061675)
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